增加标签搜索功能，增加作品标签点击跳转

backend/routes/artwork.js

@@ -10,6 +10,7 @@ router.get('/search', async (req, res) => {
   try {
     const { 
       keyword, 
+      tags,
       type = 'all', 
       sort = 'date_desc', 
       duration = 'all',
@@ -17,16 +18,27 @@ router.get('/search', async (req, res) => {
       limit = 30
     } = req.query;
     
-    if (!keyword) {
+    // 处理标签参数
+    let tagsArray = [];
+    if (tags) {
+      if (Array.isArray(tags)) {
+        tagsArray = tags;
+      } else {
+        tagsArray = [tags];
+      }
+    }
+    
+    if (!keyword && (!tagsArray || tagsArray.length === 0)) {
       return res.status(400).json({
         success: false,
-        error: 'Search keyword is required'
+        error: 'Search keyword or tags are required'
       });
     }
     
     const artworkService = new ArtworkService(req.backend.getAuth());
     const result = await artworkService.searchArtworks({
       keyword,
+      tags: tagsArray,
       type,
       sort,
       duration,

backend/services/artwork.js

@@ -151,6 +151,7 @@ class ArtworkService {
     try {
       const {
         keyword,
+        tags,
         type = 'all',
         sort = 'date_desc',
         duration = 'all',
@@ -159,10 +160,10 @@ class ArtworkService {
       } = searchOptions;
 
       // 验证搜索参数
-      if (!keyword || keyword.trim() === '') {
+      if ((!keyword || keyword.trim() === '') && (!tags || tags.length === 0)) {
         return {
           success: false,
-          error: 'Search keyword is required'
+          error: 'Search keyword or tags are required'
         };
       }
 
@@ -187,8 +188,17 @@ class ArtworkService {
         'within_last_month': 'within_last_month'
       };
 
+      // 构建搜索关键词
+      let searchWord = '';
+      if (keyword && keyword.trim()) {
+        searchWord = keyword.trim();
+      } else if (tags && tags.length > 0) {
+        // 将标签数组转换为搜索关键词，用空格分隔
+        searchWord = tags.join(' ');
+      }
+
       const params = {
-        word: keyword.trim(),
+        word: searchWord,
         search_target: searchTargetMap[type] || 'partial_match_for_tags',
         sort: sortMap[sort] || 'date_desc',
         offset: parseInt(offset) || 0,